* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.speed {
  position: fixed;
  right: 0;
  top: 0;
}

.show {
  height:45vh;
  background-color: #fff;
  overflow: auto;
  /* padding: 10px; */
  border: 1px solid #F1CACD;
}

.wrap {
  height:55vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #F1CACD;
}

.demo2 {
  margin: 8px;
}
.doraemon {
  width: 200px;
  margin-left: auto;
  margin-right: auto;
  height: 310px;
}

.speed button {
  display: block;
  width: 40px;
  height: 30px;
  margin: 18px;
  margin-right: 30px;
  border: 3px solid #F1CACD;
  background-color: #fff;
  border-radius: 5px;
  outline: 0;
}
.speed button:hover {
  background-color: #F1CACD;
  color: #fff;
}